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Mass of the fissile material at the crit...

Mass of the fissile material at the critical size is called______________.

A

cut-off mass

B

Einstein's mass value

C

Curie mass

D

Critical mass

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The correct Answer is:
D
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SURA PUBLICATION-NUCLEAR PHYSICS-ADDITIONAL QUESTIONS & ANSWER (CHOOSE THE CORRECT ANSWER)
  1. The first nuclear reavtor was built at

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  2. In order to supply neutrons for research purpose , we use reactors.

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  3. For production of radio-isotopes , we use reactions.

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  4. A good slows down neutrons by elastic collisions and it does not remo...

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  5. Commonly used moderators are and .

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  6. Graphite is used as a in nuclear reactors.

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  7. are used to control the chain reaction.

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  8. The moderator used in nuclear reacton is .

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  9. Which of the following is not a moderactor?

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  10. The coolant used in fast breeder reactor is .

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  11. In nulcear reactors, convert fast neutrons into slow neutrons.

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  12. In a nuclear reactor, cadmium rods are used to .

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  13. Mass of the fissile material at the critical size is called.

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  14. prevents the leakage of neutrons be reflecting them back.

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  15. BARC(Bhabha Atomic Research Centre) is situated at .

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  16. Reactor Kamini is situated at

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  17. Every series of hydrogen spectrum has an upper and lower limit in wave...

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  18. An electron has a mass of 9.1×10^-31 kg . It revolves round the nucleu...

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  19. Nuclear fusion is possible only at an extremely high temperature of th...

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  20. The mass of the product nucleus is always the sum of masses of the lig...

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